3919843
Radiator Support
Cummins®

The 3919843 Radiator Support is a component designed for use in commercial trucks, playing a significant role in the vehicle’s cooling system. Manufactured by Cummins, a well-established name in the industry known for its quality and innovation in truck components, understanding the function and importance of the radiator support is key to maintaining the efficiency and reliability of commercial trucks.

Basic Concepts of Radiator Support

A Radiator Support is a structural component that holds the radiator in place within the truck’s front end. It is integral to the cooling system, providing a stable mounting point for the radiator, fans, and grille. This support ensures that these components remain securely in position, allowing for efficient airflow through the radiator to cool the engine effectively ¹.

Purpose of the 3919843 Radiator Support

This Cummins part contributes to the operation of a truck by maintaining optimal engine temperature. It plays a role in the cooling system by securing the radiator and associated components, which are vital for dissipating heat away from the engine. Efficient cooling system performance is important for the longevity and reliability of the engine, making the radiator support an important component in this process ².

Key Features

The 3919843 is characterized by several key features that enhance its functionality and durability. It is constructed from high-strength materials to withstand the rigors of commercial truck operation. The design includes precise mounting provisions to ensure a secure fit, and it may incorporate unique attributes such as corrosion-resistant coatings or aerodynamic enhancements to improve performance and longevity ³.

Benefits

The use of the 3919843 offers several benefits. It contributes to improved engine performance by ensuring the cooling system operates efficiently. The durable construction and design elements enhance the component’s longevity, reducing the need for frequent replacements. Additionally, the support is designed for ease of installation, which can lead to potential cost savings in maintenance and repair.

Installation Process

Installing the 3919843 involves several steps to ensure a secure and proper fit. Preparatory steps may include removing the old support and cleaning the mounting area. The installation process requires specific tools and following manufacturer guidelines to attach the support securely. Best practices include checking for proper alignment and ensuring all fasteners are tightened to the recommended specifications.

Troubleshooting Common Issues

Common issues with the 3919843 may include misalignment, corrosion, or structural damage. Troubleshooting steps involve inspecting the support for signs of wear or damage, ensuring it is properly aligned with the radiator and other components, and addressing any corrosion with appropriate treatments. Solutions may range from realigning or tightening components to replacing damaged parts.

Maintenance Tips

Regular maintenance of the 3919843 is important for prolonging its lifespan. This includes periodic inspections for signs of wear, corrosion, or damage. Cleaning the support and associated components can prevent buildup that may impede airflow. Knowing when to consider replacement is crucial for maintaining the efficiency of the cooling system.

About Cummins

Cummins Inc. is a leader in the commercial truck industry, with a history of innovation and quality in manufacturing truck components. The company offers a wide range of products designed to enhance the performance and reliability of commercial vehicles. Cummins’ commitment to quality is evident in its rigorous manufacturing processes and the durability of its components, including the 3919843 Radiator Support.

Radiator Support Part 3919843 Compatibility with Cummins Engines

The Radiator Support part number 3919843, manufactured by Cummins, is specifically designed to fit seamlessly with a range of Cummins engines. This part is integral in maintaining the structural integrity and positioning of the radiator within the engine compartment.

Compatibility with Cummins 4B3.9 Engines

The Radiator Support part 3919843 is engineered to fit the Cummins 4B3.9 engine. This engine is known for its robust performance and reliability, often used in various industrial and commercial applications. The support part ensures that the radiator remains securely in place, optimizing airflow and cooling efficiency.

Compatibility with Cummins 6CTA8.3 Engines

Similarly, the Radiator Support part 3919843 is also compatible with the Cummins 6CTA8.3 engine. This engine is recognized for its high power output and durability, making it a popular choice in heavy-duty applications. The support part plays a role in maintaining the radiator’s position, which is important for effective heat dissipation and engine longevity.

Compatibility with Cummins QSK19 Engines

The Radiator Support part 3919843 is also designed to fit the Cummins QSK19 engine. This engine is engineered for high performance and efficiency, often utilized in marine and power generation sectors. The support part ensures that the radiator is correctly aligned, facilitating optimal cooling and preventing overheating.

Compatibility with Cummins QSK60 Engines

Lastly, the Radiator Support part 3919843 is compatible with the Cummins QSK60 engine. This engine is known for its exceptional power and reliability, commonly used in marine and industrial applications. The support part is important for maintaining the radiator’s position, ensuring efficient cooling and protecting the engine from thermal stress.

Understanding the Role of Radiator Support Part 3919843 in Engine Systems

The radiator support part 3919843 is an integral component in the assembly and functionality of engine systems. It serves as the foundational structure that secures the radiator within the engine enclosure. This support ensures that the radiator remains firmly in place, allowing for efficient heat dissipation from the engine.

Integration with the Enclosure

The radiator support part 3919843 is designed to interface seamlessly with the engine enclosure. It provides a stable mounting point for the radiator, which is essential for maintaining the structural integrity of the cooling system. The support is typically bolted or welded to the enclosure, ensuring that it can withstand the vibrations and stresses encountered during engine operation.

Relationship with the Radiator

Once secured by the radiator support, the radiator can effectively perform its primary function: cooling the engine coolant. The support allows for proper alignment of the radiator, ensuring that coolant flows smoothly through the fins and tubes. This alignment is vital for maximizing the surface area exposed to airflow, which enhances heat exchange efficiency.

Contribution to Overall Product Performance

In the context of the overall product, the radiator support part 3919843 plays a role in ensuring the reliability and performance of the engine system. By providing a robust framework for the radiator, it contributes to the consistent and efficient operation of the cooling system. This, in turn, helps maintain optimal engine temperatures, which is important for prolonging engine life and ensuring peak performance.

Summary of Component Interactions

• Enclosure: The radiator support is integral to the enclosure, providing a secure mounting point for the radiator.
• Radiator: The support ensures the radiator is properly aligned and stable, facilitating efficient heat dissipation.
• Engine System: By maintaining the structural integrity of the cooling system, the radiator support contributes to the overall performance and reliability of the engine.

Conclusion

The 3919843 Radiator Support is a critical component in the cooling system of commercial trucks, ensuring the radiator and associated components are securely positioned for optimal engine cooling. Its compatibility with various Cummins engines underscores its versatility and importance in maintaining engine performance and reliability. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.